From ce40746fa9642e3cd3599d98c551c4c59e59b23c Mon Sep 17 00:00:00 2001
From: ceri <ceri@FreeBSD.org>
Date: Wed, 23 Aug 2006 22:44:00 +0000
Subject: Allow fsdb to manipulate the birthtime entries on UFS2.

Approved by:	jhb
MFC after:	1 month
---
 sbin/fsdb/fsdb.8     |  8 +++++---
 sbin/fsdb/fsdb.c     | 18 ++++++++++++++++++
 sbin/fsdb/fsdbutil.c |  6 ++++++
 3 files changed, 29 insertions(+), 3 deletions(-)

(limited to 'sbin')

diff --git a/sbin/fsdb/fsdb.8 b/sbin/fsdb/fsdb.8
index ca837f1..bd1283e 100644
--- a/sbin/fsdb/fsdb.8
+++ b/sbin/fsdb/fsdb.8
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 2, 2006
+.Dd August 23, 2006
 .Dt FSDB 8
 .Os
 .Sh NAME
@@ -204,11 +204,12 @@ Change the group of the current inode to
 Change the generation number of the current inode to
 .Ar gen .
 .Pp
+.It Cm btime Ar time
 .It Cm mtime Ar time
 .It Cm ctime Ar time
 .It Cm atime Ar time
-Change the modification, change, or access time (respectively) on the
-current inode to
+Change the creation (birth), modification, change, or access
+time (respectively) on the current inode to
 .Ar time .
 .Ar Time
 should be in the format
@@ -217,6 +218,7 @@ where
 .Em nsec
 is an optional nanosecond specification.
 If no nanoseconds are specified, the
+.Va birthnsec ,
 .Va mtimensec ,
 .Va ctimensec ,
 or
diff --git a/sbin/fsdb/fsdb.c b/sbin/fsdb/fsdb.c
index 58d8471..3853d29 100644
--- a/sbin/fsdb/fsdb.c
+++ b/sbin/fsdb/fsdb.c
@@ -148,6 +148,7 @@ CMDFUNC(chgen);				/* change generation */
 CMDFUNC(chowner);			/* change owner */
 CMDFUNC(chgroup);			/* Change group */
 CMDFUNC(back);				/* pop back to last ino */
+CMDFUNC(chbtime);			/* Change btime */
 CMDFUNC(chmtime);			/* Change mtime */
 CMDFUNC(chctime);			/* Change ctime */
 CMDFUNC(chatime);			/* Change atime */
@@ -182,6 +183,7 @@ struct cmdtable cmds[] = {
 	{ "chgrp", "Change group of current inode to GROUP", 2, 2, FL_WR, chgroup },
 	{ "chflags", "Change flags of current inode to FLAGS", 2, 2, FL_WR, chaflags },
 	{ "chgen", "Change generation number of current inode to GEN", 2, 2, FL_WR, chgen },
+	{ "btime", "Change btime of current inode to BTIME", 2, 2, FL_WR, chbtime },
 	{ "mtime", "Change mtime of current inode to MTIME", 2, 2, FL_WR, chmtime },
 	{ "ctime", "Change ctime of current inode to CTIME", 2, 2, FL_WR, chctime },
 	{ "atime", "Change atime of current inode to ATIME", 2, 2, FL_WR, chatime },
@@ -1132,6 +1134,22 @@ badformat:
     return 0;
 }
 
+CMDFUNCSTART(chbtime)
+{
+    time_t secs;
+    int32_t nsecs;
+
+    if (dotime(argv[1], &secs, &nsecs))
+	return 1;
+    if (sblock.fs_magic == FS_UFS1_MAGIC)
+	return 1;
+    curinode->dp2.di_birthtime = _time_to_time64(secs);
+    curinode->dp2.di_birthnsec = nsecs;
+    inodirty();
+    printactive(0);
+    return 0;
+}
+
 CMDFUNCSTART(chmtime)
 {
     time_t secs;
diff --git a/sbin/fsdb/fsdbutil.c b/sbin/fsdb/fsdbutil.c
index 474ac82..d50c6c0 100644
--- a/sbin/fsdb/fsdbutil.c
+++ b/sbin/fsdb/fsdbutil.c
@@ -156,6 +156,12 @@ printstat(const char *cp, ino_t inum, union dinode *dp)
     }
     printf("I=%lu MODE=%o SIZE=%ju", (u_long)inum, DIP(dp, di_mode),
 	(uintmax_t)DIP(dp, di_size));
+    if (sblock.fs_magic != FS_UFS1_MAGIC) {
+	t = _time64_to_time(dp->dp2.di_birthtime);
+	p = ctime(&t);
+	printf("\n\tBTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
+	   dp->dp2.di_birthnsec);
+    }
     if (sblock.fs_magic == FS_UFS1_MAGIC)
 	t = _time32_to_time(dp->dp1.di_mtime);
     else
-- 
cgit v1.1